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4600 Series IP Telephone LAN Administrator's Guide
15. Highlight the newly created scope and select Action
16. Under Lease duration for DHCP clients, select Unlimited and then click the OK button.
WARNING:
IP Address leases are kept active for varying periods of time. To avoid having calls
terminated suddenly, make the lease duration unlimited.
Adding DHCP Options
Use the following procedure to add DHCP options to the scope you created in the previous
procedure.
1. On the DHCP window, right-click the "Scope Options" folder under the scope you created in
the last procedure.
A drop-down menu displays.
2. Click the Configure Options... option.
The Scope Options dialog box displays.
3. In the General tab page, under the Available Options, check the 066'Boot Server Host Name'
Options checkbox.
The String Value dialog box displays.
4. Enter the TFTP Server address(es) in the String Value. Use the same TFTPSRVR value
format as discussed in
server at IP address zzz.zzz.zzz.zzz and a second TFTP server at address
tftpserver.yourco.com, in the string value enter:
"zzz.zzz.zzz.zzz,tftpserver.yourco.com"
5. In the left pane of the DHCP, right click on the name of the DHCP Server, then click on Set
Predefined Options....
6. Under Predefined Options and Values, click on Add.
7. In the Option Type Name field, enter any appropriate name, for example, "Avaya IP
Telephones".
8. Change the Data Type to String.
9. In the Code field, enter 176, then click the OK button twice.
The Predefined Options and Values dialog box closes, leaving the DHCP dialog box enabled.
10. Expand the newly created scope to reveal its Scope Options.
11. Click Scope Options and select Action
12. In the General tab page, under the Available Options, check the Option 176 checkbox.
DHCP
4-16
TFTP Generic Setup, on page
→
Configure Options from the menu.
→
Properties from the menu.
4
4-18. For example, if you had a TFTP
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